降水確率(こうすいかくりつ)

こうすいかくりつ
noun
chance of precipitation; probability of rain
weatherscience
1. chance of precipitation; probability of rain
the likelihood of rainfall or other precipitation in a given area during a specified time period, expressed as a percentage
今日(きょう)の降水確率(こうすいかくりつ)は三十(さんじゅう)パーセントです。
Today's chance of rain is thirty percent.
降水確率(こうすいかくりつ)が高(たか)いので傘(かさ)を持(も)っていこう。
The chance of rain is high, so let's bring an umbrella.
午後(ごご)の降水確率(こうすいかくりつ)は六十(ろくじゅう)パーセントに上(あ)がる見込(みこ)みです。
The afternoon chance of rain is expected to rise to sixty percent.

A standard term used in Japanese weather forecasts. Expressed as a percentage in increments of ten (0%, 10%, 20%, etc.). This is one of the most frequently encountered weather terms in daily life.

Common collocations

  • 降水確率(こうすいかくりつ)が高(たか)い: high chance of rain
  • 降水確率(こうすいかくりつ)が低(ひく)い: low chance of rain
  • 降水確率(こうすいかくりつ)ゼロパーセント: zero percent chance of rain
  • 午前(ごぜん)の降水確率(こうすいかくりつ): morning precipitation probability

Etymology

Composed of 降水(こうすい) (precipitation) and 確率(かくりつ) (probability). 降水(こうすい) covers all forms including rain, snow, sleet, and hail.

Related words

Related Words

Related: 天気予報(てんきよほう) (weather forecast)
Related: 降水量(こうすいりょう) (amount of precipitation)
Related: 気温(きおん) (temperature)
general
Added 2026.4.26 20:18 · Revised 2026.9.2 13:02
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